CHANG, K. (2016). Introduction to geographic information systems. McGraw-Hill Education.
Lua i Stíl Chicago (17ú heag.)CHANG, Kang-Tsung. Introduction to Geographic Information Systems. McGraw-Hill Education, 2016.
Lua MLA (9ú heag.)CHANG, Kang-Tsung. Introduction to Geographic Information Systems. McGraw-Hill Education, 2016.
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